package com.zyg.controller;

import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zyg.pojo.Major;
import com.zyg.service.MajorService;
import com.zyg.util.LayData;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.List;

@Controller
@RequestMapping("/major")
public class MajorController {


    @Resource
    private MajorService majorService;

    @RequestMapping("/tolist")
    public  String tolist(){
        return "major/list";
    }


    @RequestMapping("/list")
    @ResponseBody
    public  String list(Major major, @RequestParam(value = "page", defaultValue = "1") Integer page, @RequestParam(value = "limit", defaultValue = "10") Integer limit){
        // 查询数据
        LayData layData = new LayData();

        QueryWrapper<Major> qw = new QueryWrapper<>();

        qw.like(major.getMajorName()!=null && !"".equals(major.getMajorName()),"major_name",major.getMajorName());

        long count = majorService.count(qw);
        layData.setCount((int) count);
        IPage<Major> page1 = new Page<>(page, limit);
        List<Major> list = majorService.list(page1, qw);
        layData.setData(list);


        layData.setCode(0);
        layData.setMsg("查询成功");
// 数据返回
        String data = JSON.toJSONString(layData);

        return data;
    }

    @RequestMapping("/toadd")
    public String toAdd(){
        return "major/add";
    }

    @RequestMapping("/addSave")
    @ResponseBody
    public String addSave(Major major){
        boolean result = majorService.save(major);
        if (result) {
            return JSON.toJSONString(new LayData(0, "添加成功"));
        } else {
            return JSON.toJSONString(new LayData(500, "添加失败"));
        }
    }

    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") int id, Model model){
        Major major = majorService.getById(id);
        model.addAttribute("major", major);
        return "major/update";
    }

    @RequestMapping("/toinfo/{id}")
    public String toInfo(@PathVariable("id") int id, Model model){
        Major major = majorService.getById(id);
        model.addAttribute("major", major);
        return "major/info";
    }

    @RequestMapping("/updateSave")
    @ResponseBody
    public String updateSave(Major major){
        boolean result = majorService.updateById(major);
        if (result) {
            return JSON.toJSONString(new LayData(0, "更新成功"));
        } else {
            return JSON.toJSONString(new LayData(500, "更新失败"));
        }
    }

    @RequestMapping("/delete/{id}")
    @ResponseBody
    public String deleteMajor(@PathVariable("id") int id){
        boolean result = majorService.removeById(id);
        if (result) {
            return JSON.toJSONString(new LayData(0, "删除成功"));
        } else {
            return JSON.toJSONString(new LayData(500, "删除失败"));
        }
    }


}